Primers are

  • A
    Small chemically synthesized oligonucleotides of about $10-18$ nucleotides that are complementary to the region of template $DNA$
  • B
    Chemically synthesized oligonucleotides of about $10-18$ nucleotides that are not complementary to the region of template $DNA$
  • C
    The double-stranded $DNA$ that need to be amplified
  • D
    Specific sequences present on recombinant $DNA$

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